package com.kaishengit.web;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.kaishengit.entity.Book;
import com.kaishengit.service.BookService;
import com.kaishengit.util.StringUtil;
import com.kaishengit.util.db.Page;
import com.kaishengit.util.web.ServletUtil;

public class App extends HttpServlet {

	private static final long serialVersionUID = 1L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String p = request.getParameter("_p");
		
		int pageNum = 1;
		if(StringUtil.isNotEmpty(p)) {
			try {
				pageNum = Integer.parseInt(p);
			} catch (NumberFormatException e) {
				e.printStackTrace();
			}
		}
		
		Page<Book> page = new BookService().findByPage(pageNum); 
		
		request.setAttribute("page", page);
		
		
		ServletUtil.forword(request, response, "index");
	}

}
